Make CTRL signal able to take multiple contexts#1172

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JohnMcPMS merged 2 commits intomicrosoft:masterfrom JohnMcPMS:multictrl

Jun 16, 2021

+121-38

Commits on Jun 16, 2021

Make CTRL signal able to take multiple contexts and hook up the instances of subcontexts to it. Also handle cancellation during looped subcontext usage.
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